Home / 20,261.05-30,391.58-5,469.95

Finding the Fourth Proportional to 20,261.05, 30,391.58 and 5,469.95

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Solution

The fourth proportional to 20,261.05, 30,391.58 and 5,469.95 is: 8,204.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261.05 : 30,391.58 = 5,469.95 : x
  2. Step 2: Convert to fraction form
    20,261.05/30,391.58 = 5,469.95/x
  3. Step 3: Cross multiply
    20,261.05x = 30,391.58 × 5,469.95
  4. Step 4: Simplify right side
    20,261.05x = 166,240,512.67
  5. Step 5: Solve for x
    x = 166,240,512.67/20,261.05
  6. Step 6: Final answer
    x = 8,204.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.